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2008
IEEE

Using Higher Order Cyclostationarity to Identify Space-Time Block Codes

8 years 10 months ago
Using Higher Order Cyclostationarity to Identify Space-Time Block Codes
—Research in cognitive radios has renewed interest in tools, such as spectrum estimation and modulation identification, to characterize the radio frequency (RF) environment. The use of multiple antennas for multiple-input multiple-output (MIMO) communications presents a new challenge in detecting and classifying signals. In this paper, we propose a cyclostationarity-based statistical test to detect space-time block codes, focusing on the two transmitter Alamouti space-time block code (STBC). Our test exploits a new characterization of the Alamouti code using fourth order cyclic frequencies. The test requires only a single receive antenna, and does not require any symbol synchronization.
Marcus R. DeYoung, Robert W. Heath Jr., Brian L. E
Added 29 May 2010
Updated 29 May 2010
Type Conference
Year 2008
Where GLOBECOM
Authors Marcus R. DeYoung, Robert W. Heath Jr., Brian L. Evans
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